Wafer boat



FIG. 1 is a side sectional view at line 1—1 in FIG. 7 of the wafer boat.

FIG. 2 is a cross sectional view at line 2—2 of FIGS. 8 and 9 of thewafer boat.

FIG. 3 is a side view of the wafer boat.

FIG. 4 is another side view of the wafer boat.

FIG. 5 is perspective view of the wafer boat.

FIG. 6 is a bottom view of the wafer boat.

FIG. 7 is a top view of the wafer boat.

FIG. 8 is another side view of the wafer boat; and,

FIG. 9 is still another side view of the wafer boat.

The ornamental design for a wafer boat, as shown and described.